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Symmetric logarithmic derivative for general n-level systems and the quantum Fisher information tensor for three-level systems |
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| Authors: | E Ercolessi M Schiavina |
| Institution: | 1. Dipartimento di Fisica e Astronomia, Università di Bologna and INFN, Sezione di Bologna, via Irnerio 46, 40126 Bologna, Italy;2. Institut für Mathematik, Universität Zürich, Winterthurerstrasse 190, 8057 Zürich, Switzerland |
| Abstract: | |
| Keywords: | Quantum Fisher information Symmetric logarithmic derivative Unitary group Fisher tensor |
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